Swann, Brian A Basketful Of White Eggs: Riddle PoemsE SwannFifteen brief poems, with folk sources in a variety of countries, present riddles to solve which can be answered in the illustrations.

Swenson, May The Complete Poems To SolveJ 811. 54 SwensonA selection of the author's poetry, largely dealing with nature, whichchallenges the reader to guess the subject of each poem or a meaningnot immediately obvious.